36results about How to "Small clamping deformation" patented technology

Provided are a clamp and a clamping method for a large-diameter plane optical element. The clamp comprises a large-diameter plane optical element press plate, an elastic pivot, a transformation thin plate frame, an inner hexagonal cylindrical head screw, a boss, a lens frame, a rotational shaft and a support. The clamp and the clamping method utilize a metal structure to directly clamp the large-diameter optical element, can produce no optical element clamping stress under the condition that surface processing accuracy of a metal clamping frame is reduced and the optical element is in any inclination angle. Simultaneously, the metal structure is utilized to conduct direct clamping, thereby well avoiding organic pollution caused by stress-free clamping of tradition organics. The clamp the clamping method can be widely applied to clamping of the large-diameter plane optical element in optical engineering and optical experiment devices and has strong practicability.

The invention relates to the technical field of nonmetal material cutting processing, and discloses a turning method for winding a heat-proof layer on a metal shell cabin section and a winding core mould. In the invention, the parameters of the turning method are controlled, and the phenomena of splitting, cracking, scrap falling, block drop and fracture easily caused by the existing machining turning of the heat-proof layer are effectively improved, thus the qualified rate of finished products is improved; by changing the clamping mode, the clamping deformation of parts in processing is reduced, and the alignment difficulty is reduced; and through the improvement of the manufacturing method of the heat-proof layer, the heat-proof layer can be directly wound on the metal shell cabin section, the manufacturing and assembling processes of the heat-proof layer are simplified, the labor intensity is lowered, and the connection between the heat-proof layer and the metal shell cabin section is tighter. The processing method disclosed by the invention is universal, realizes low rejection rate of the parts, and is safe and reliable to use; and the provided winding core mould has a simple structure and is easy to manufacture and convenient to use.

The invention provides a tooling random support part which is characterized by comprising a base, a support rod and a support head. One end of the support rod is fixed on the base, the other end of the support rod is connected with the support head in a universal rotation mode, the support head is provided with a support face which is in contact with a supported face of a work piece when the support head is used for supporting the work piece, and the support face is a small saw-tooth face. The tooling random support part has the support head which can universally rotate in a micro mode, effectively reduces clamping deformation caused by unflatness of the supported face of the work piece and improves flatness.

One kind of safety valve group, and the spatial control valve and the discharge valve function to a body, specially is suitable in the petroleum guards against in the jet hydraulic system, took and gathers can its product necessary use special-purpose valve, partially is composed by the control valve part and the discharge valve, states the valve body is an end aperture, middle has the cavity the overall construction, and with stops up connects the whole the valve group body, states on the valve body has mutually has the right angle two circular cones external screw thread raised, between raised Taichung has in a post plane two oils mouths, states ball valve core in vitro as a result of its coordination, Seals the constitution by the outside package of skeleton ball the packing assembly, installs in valve group in vivo. Because directly processes on the valve body protrudes the valve body to have the mouth raised, and the oil mouth directly with the system oil source, the accumulator connection, reduced outside the valve body components machine to divulge the link, caused its structure compact, volume small, matched the tube conveniently, reasonable, seal effect good, the use was safer, reliable.

Provided are a clamp and a clamping method for a large-diameter plane optical element. The clamp comprises a large-diameter plane optical element press plate, an elastic pivot, a transformation thin plate frame, an inner hexagonal cylindrical head screw, a boss, a lens frame, a rotational shaft and a support. The clamp and the clamping method utilize a metal structure to directly clamp the large-diameter optical element, can produce no optical element clamping stress under the condition that surface processing accuracy of a metal clamping frame is reduced and the optical element is in any inclination angle. Simultaneously, the metal structure is utilized to conduct direct clamping, thereby well avoiding organic pollution caused by stress-free clamping of tradition organics. The clamp the clamping method can be widely applied to clamping of the large-diameter plane optical element in optical engineering and optical experiment devices and has strong practicability.

The invention discloses laser cutting equipment used for cutting pipes, which has the advantages that automatic feeding is realized, the clamping is steady and the cutting quality is good. The laser cutting equipment comprises a base, wherein a guide mechanism, a main clamping mechanism, an auxiliary clamping mechanism and a laser cutting mechanism are arranged on the base in sequence; the main clamping mechanism comprises a screw rod which is movably arranged on the base; a main motor which is used for driving the screw rod is arranged on the base; a sliding seat is sleeved on the screw rod; a sliding rail is arranged on the base; the bottom of the sliding seat is movably clamped on the sliding rail; a feeding hole is formed in the sliding seat; a barrel-shaped clamping component is embedded in the feeding hole; a plurality of flexible grooves are arranged in the periphery of the discharge end of the clamping component; a plurality of grooves are arranged in the periphery of the external surface of the part, stretching out of the sliding seat, of the discharge side of the clamping component; the depths of the grooves are gradually reduced in the feeding direction; a movable sleeve is sleeved on one section, provided with the grooves, of the clamping component; a plurality of grooves which are matched with the grooves of the external surface of the clamping component and are formed in the feeding direction are formed in the periphery of the inner surface of the movable sleeve; balls are arranged between the grooves of the movable sleeve and the grooves of the clamping component; a main air cylinder used for driving the movable sleeve to move is arranged on the sliding seat.

The invention discloses a tool structure of an electric spindle. The tool structure comprises a base, an outer taper sleeve and an inner taper sleeve, the outer taper sleeve and the inner taper sleeve are matched with each other to form a taper ring, the inner taper sleeve is sleeved on the outer side of the electric spindle, the base is sleeved on the outer side of the outer taper sleeve, a locking screw is arranged on the base, and the taper ring is axially locked by the locking screw. The outer taper sleeve and the inner taper sleeve have small taper angles, a taper surface of the taper ring and a threaded surface of the screw are used for double force increase, the force increasing ratio is high, self-locking can be realized, clamping is reliable, a taper ring group with an opening is easy and uniform in deformation, can keep good surface contact with (the electric spindle) internally and externally matched cylindrical surfaces and is low in clamping deformation and high in positioning precision and clamping rigidity, and the taper ring with two grouped ends has double support and fine clamping stability.

The invention relates to a manufacturing method of a supporting base for separation of effective compositions of plant herbs. The manufacturing method comprises the following steps of casting, whereinaccording to the size of a supporting base finished product, 10-12 mm of machining allowances are reserved in both sides, a casting head is reserved at the small end, and a supporting base blank is completed through one-time casting; detection, wherein dye checking or X-ray crack detection is conducted; pellet blasting; benching, wherein a height machining line and a circumference machining lineare drawn with the large-end stepped end face of the supporting base and the external circle at the root of the step as the reference plane; rough machining; low-temperature aging treatment; detection; dye checking; semifinishing; low-temperature aging treatment; finish machining; finish turning, wherein the external circle plane of a slider is machined to the size; right boring, wherein the two stepped holes must be clamped one time; benching, wherein a supporting base cover is arranged, and benching is conducted for storage. By means of the manufacturing method, deformation caused by clamping during machining and deformation caused by machining stress can be obviously reduced, a high size precision and a high position precision are kept, and the machining quality is improved.

The invention belongs to the field of medical apparatus, and discloses an self-adaptive clamping device for an irregular object. The self-adaptive clamping device includes a positioning platform, anda flexible clamping mechanism, the flexible clamping mechanism comprises a flexible fixture bracket and a plurality of flexible fixtures connected in parallel, each flexible fixture comprises a springmounting rod, a spring and a pressing disc, and one end of each spring mounting rod is movably mounted in the flexible fixture bracket; and the other end of each spring mounting rod is hinged to thecorresponding disc so that the corresponding pressing disc can swing around the hinge center, and the springs are externally arranged on the spring mounting rods in a sleeving mode and placed betweenthe flexible fixture bracket and the pressing discs so that the springs generate the self-adaptive pressure to the flexible fixture bracket and a hinging rotating shaft when the spring mounting rods move in the flexible fixture bracket. The self-adaptive clamping device further includes a position adjusting mechanism and a cutting mechanism except the flexible clamping mechanism and aims to solvethe technical problems that large elastic deformation or even yield deformation and invalid clamping are easily produced during clamping of the irregular object, especially, the elastic textures.

The invention discloses a screw sleeve part inner hole processing lathe clamp, which comprises a clamp body, a screw nut, a cone sleeve and a reset spring, wherein a clamp body positioned by a notch is arranged on a lathe main shaft through a transition disc, the front end of the clamp body is a barrel-shaped thin wall with the external taper, in addition, the outer diameter of the back end of the thin wall is greater than the outer diameter of the front end, the inner diameter of the thin wall is matched with the outer diameter of a screw sleeve to be processed, the cone sleeve with the internal taper matched with the external taper of the thin wall is arranged on the outer side of the thin wall in a sleeving way, the reset spring is arranged at the thin wall part in a sleeving way and is positioned between a cone sleeve and a threaded step positioned at the back part of the clamp body, and the screw nut passes through the thin wall and the cone sleeve and is connected with the clamp body through screw threads. The screw sleeve part inner hole processing lathe clamp has the advantages that the structure is compact, the operation is simple, convenient and reliable, the positioning precision is very high, the processing quality can be easily ensured, and higher practicability is realized.

The invention relates to a positioning tool for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The positioning tooling of the present invention comprises an expansion sleeve, an expansion inner sleeve, a locking ring, an expansion body and an elastic ring; the expansion sleeve is a split cylindrical structure; the expansion inner sleeve is a circle with a tapered inner cavity. Cylindrical structure; the inner hole of the locking ring is a threaded hole; the front section of the expansion body is a cylindrical section, the rear section is a tapered section, and the rear end of the cylindrical section is processed with external threads; the expansion sleeve is bonded to the elastic ring on the inner wall Closed into a cylindrical assembly, the locking ring and the inner sleeve of the expansion sleeve are put into the inner cavity of the expansion sleeve in turn; the front end of the expansion body passes through the inner sleeve and the locking ring, and passes through the rear end of the cylindrical section of the expansion body The external thread of the outer wall is threadedly connected with the internal hole of the expansion sleeve. The positioning tool of the present invention has simple structure, convenient processing and simple operation, can quickly and reliably clamp thin-walled cylindrical parts, has small clamping deformation, ensures the processing accuracy of products, and improves processing efficiency.

The invention provides a clamp for an automobile front beam upper plate assembly. The clamp comprises a platform, positioning elements, positioning frames and at least three clamping mechanisms. The positioning frames are fixed on the platform and connected with the clamping mechanisms, and the clamping mechanisms are lever type clamping mechanisms. Each clamping mechanism comprises a power source, a power transmission rod, a clamping element and a supporting frame. One end of each power transmission rod is connected with each power source, and the other end of each power transmission rod is connected with each clamping element. The middle portions of the power transmission rods are movably connected with the supporting frames, the power sources are connected with the supporting frames, the supporting frames are connected with the positioning frames, and the positioning elements are arranged on the supporting frames. The clamp for the automobile front beam upper plate assembly is reasonable in structural design and facilitates reasonable arrangement of flow line production in the process of welding, station time balancing is convenient, non-production consumed time is reduced, and convenience is provided for production management.

The invention belongs to the technical field of production of semiconductor diodes, and particularly relates to a semiconductor diode production technology. The semiconductor diode production technology adopts a glue sealing device. The glue sealing device comprises a bottom plate, vertical columns, a top plate, a glue sealing groove, drying modules, a storing block and storing holes. A set of telescopic rods is arranged at the bottom of the top plate. The storing block is arranged at the ends of the telescopic rods. The set of storing holes is formed in the bottom of the storing block. Each drying module comprises an arc-shaped sliding groove, an electric heating pipe, a swinging gear and a swinging plate. Each arc-shaped sliding groove is formed in the middle of the corresponding vertical column. Each electric heating pipe is slidably mounted in the corresponding arc-shaped sliding groove. A spring connected with the corresponding electric heating pipe is arranged at one end of eacharc-shaped sliding groove. Each swinging gear is rotationally mounted at the two ends of the corresponding electric heating pipe through torsional springs. A swinging plate rotationally mounted on thecorresponding vertical column is arranged on each arc-shaped sliding groove. A tooth groove meshing with the corresponding swinging gear is formed in the end of each swinging plate. The swinging plates are controlled to rotate through a motor. According to the semiconductor diode production technology, leads subjected to glue sealing can be dried uniformly, and by arranging a clamping device, thesemiconductor diode production technology can adapt to glue sealing of the leads of different thicknesses.

The invention relates to a clamping device for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The clamping tooling of the present invention comprises an expansion sleeve, an expansion inner sleeve, a locking ring, an expansion body and an elastic ring; the expansion sleeve is a split cylindrical structure; the expansion inner sleeve is a tapered inner cavity Cylindrical structure; the inner hole of the locking ring is a threaded hole; the front section of the expansion body is a cylindrical section, the rear section is a tapered section, and the rear end of the cylindrical section is processed with external threads; the expansion sleeve is bonded to the elastic ring inside Closed into a cylindrical assembly, the locking ring and the inner sleeve of the expansion sleeve are put into the inner cavity of the expansion sleeve in turn; the front end of the expansion body passes through the inner sleeve and the locking ring, and passes through the rear end of the cylindrical section of the expansion body The external thread of the outer wall is threadedly connected with the internal hole of the expansion sleeve. The clamping tooling of the present invention has simple structure, convenient processing and simple operation, can quickly realize reliable clamping of thin-walled cylindrical parts, has small clamping deformation, ensures the processing accuracy of products, and improves processing efficiency.

The invention relates to an automatic self-centering clamp which comprises a mandrel, a rotor shaft, an end cover and guiding sleeves. One end of a positioning pillar of the mandrel is provided with a positioning step, and the outer circle of the mandrel is provided with a positioning pillar face. A step inner hole is formed in the positioning pillar face of the mandrel, and at least two sets of radial through holes are formed in the positioning pillar of the mandrel in the axial direction. Three or four radial through holes of each set of radial through holes are evenly formed in the same cross section of the positioning pillar, and the radial through holes are internally and fixedly connected with the guiding sleeves which are internally and movably matched and connected with positioning and clamping pillars. A motor stator is arranged in the middle of a step inner hole of the mandrel, and the two ends of the rotor shaft are connected with a connection hole in the front end of the step inner hole of the mandrel and an inner hole in the end cover fixed to the rear end face of the mandrel through bearings respectively. The two sides of the motor rotor of the rotor shaft are provided with outer cam pillars respectively, and each outer cam pillar is formed by evenly distributing three or four cams in the peripheral direction. The pillar face of each cam is in contact connection with the bottom end of the corresponding positioning and clamping pillar.

The invention belongs to the technical field of semiconductor diode production, and particularly relates to a semiconductor diode lead-wire sealing system. The semiconductor diode lead-wire sealing system comprises a bottom plate, a vertical column, a top plate, a sealing groove, a drying module, a storing block and storing holes; a set of telescopic rods are arranged at the bottom of the top plate; the storing block is fixedly connected with the ends of the telescopic rods, and the set of storing holes are formed in the bottom of the storing block; the drying module comprises an arc-shaped sliding groove, an electric heating pipe, swinging gears and a swinging plate; the arc-shaped sliding groove is mounted in the middle of the vertical column; the electric heating pipe is slidably mounted in the arc-shaped sliding groove; a spring connected with the electric heating pipe is arranged at one end of the arc-shaped sliding groove; the swinging gears are rotatably mounted at the two endsof the electric heating pipe through torsion springs; the swinging plate rotatably mounted on the vertical column is arranged above the arc-shaped sliding groove; gear sockets meshed with the swinginggears are arranged at the ends of the swinging plate; and the swinging plate is controlled to rotate through a motor. The semiconductor diode lead-wire sealing system can conduct uniform drying on the sealed lead-wire; and by arranging a clamping device, the system can adapt to sealing of lead-wires with different thickness.

The invention discloses a machining and manufacturing method of a precision positioning central spindle. The precision positioning central spindle is formed by assembling an elastic sleeve, a centralspindle body and pressurization inner hexagon screws. According to the working condition of the precision positioning central spindle, when a workpiece is installed on the elastic sleeve, the pressurization inner hexagon screws are screwed into the elastic sleeve, and a liquid synthetic material is pressurized through an end head; when a liquid synthetic material cavity is sealed, the pressure borne by the liquid synthetic material is uniformly acted on the elastic sleeve according to the incompressibility of liquid and the principle that the liquid can transfer pressure uniformly in all the directions, the elastic sleeve generates radial elastic deformation and makes cylindrical contact with the workpiece to enable the workpiece to be accurately positioned and reliably clamped. When a screw plunger is screwed out, the elastic sleeve returns to the original position under the action of elasticity, and the workpiece is loosened. Through the improvement on the machining method of the elastic sleeve, the central spindle body and the pressurization inner hexagon screws, the precision of the positioning central spindle is improved remarkably, and the workpiece can be prevented from being pinched in the using process.